OF SHADOW.
The surface of any opaque body is affected by the colour of surrounding objects.
265.
A shadow is always affected by the colour of the surface on which it is cast.
266.
An image produced in a mirror is affected by the colour of the mirror.
267.
OF LIGHT AND SHADE.
Every portion of the surface of a body is varied [in hue] by the [reflected] colour of the object that may be opposite to it.